About the Number
1221566280
2進数表記:1001000110011111001111101001000
漢数字表記:十二億二千百五十六万六千二百八十
素因数分解:
素因数の和:54479
約数の個数: 128
約数和(自身を含む): 4233098880
約数和(自身を除く): 3011532600
約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 17, 20, 22, 24, 30, 33, 34, 40, 44, 51, 55, 60, 66, 68, 85, 88, 102, 110, 120, 132, 136, 165, 170, 187, 204, 220, 255, 264, 330, 340, 374, 408, 440, 510, 561, 660, 680, 748, 935, 1020, 1122, 1320, 1496, 1870, 2040, 2244, 2805, 3740, 4488, 5610, 7480, 11220, 22440, 54437, 108874, 163311, 217748, 272185, 326622, 435496, 544370, 598807, 653244, 816555, 925429, 1088740, 1197614, 1306488, 1633110, 1796421, 1850858, 2177480, 2395228, 2776287, 2994035, 3266220, 3592842, 3701716, 4627145, 4790456, 5552574, 5988070, 6532440, 7185684, 7403432, 8982105, 9254290, 10179719, 11105148, 11976140, 13881435, 14371368, 17964210, 18508580, 20359438, 22210296, 23952280, 27762870, 30539157, 35928420, 37017160, 40718876, 50898595, 55525740, 61078314, 71856840, 81437752, 101797190, 111051480, 122156628, 152695785, 203594380, 244313256, 305391570, 407188760, 610783140, 1221566280]
約数ペア:
[(1, 1221566280), (2, 610783140), (3, 407188760), (4, 305391570), (5, 244313256), (6, 203594380), (8, 152695785), (10, 122156628), (11, 111051480), (12, 101797190), (15, 81437752), (17, 71856840), (20, 61078314), (22, 55525740), (24, 50898595), (30, 40718876), (33, 37017160), (34, 35928420), (40, 30539157), (44, 27762870), (51, 23952280), (55, 22210296), (60, 20359438), (66, 18508580), (68, 17964210), (85, 14371368), (88, 13881435), (102, 11976140), (110, 11105148), (120, 10179719), (132, 9254290), (136, 8982105), (165, 7403432), (170, 7185684), (187, 6532440), (204, 5988070), (220, 5552574), (255, 4790456), (264, 4627145), (330, 3701716), (340, 3592842), (374, 3266220), (408, 2994035), (440, 2776287), (510, 2395228), (561, 2177480), (660, 1850858), (680, 1796421), (748, 1633110), (935, 1306488), (1020, 1197614), (1122, 1088740), (1320, 925429), (1496, 816555), (1870, 653244), (2040, 598807), (2244, 544370), (2805, 435496), (3740, 326622), (4488, 272185), (5610, 217748), (7480, 163311), (11220, 108874), (22440, 54437)]このpageの処理時間: 0.012328147888183594 seconds